/Engine/Source/Runtime/AudioMixer/Public/AudioMixerBlueprintLibrary.h
Hotswaps to the requested audio output device
static void SwapAudioOutputDevice ( const [UObject](API\Runtime\CoreUObject\UObject\UObject) * WorldContextObject, const [FString](API\Runtime\Core\Containers\FString) & NewDeviceId, const [FOnCompletedDeviceSwap](API\Runtime\AudioMixer\FOnCompletedDeviceSwap) & OnCompletedDeviceSwap )